third_party/WebKit/Source/web/ExternalPopupMenu.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef ExternalPopupMenu_h
#define ExternalPopupMenu_h

#include "platform/PopupMenu.h"
#include "platform/Timer.h"
#include "public/platform/WebCanvas.h"
#include "public/platform/WebScrollbar.h"
#include "public/web/WebExternalPopupMenuClient.h"

namespace blink {

class FloatQuad;
class IntRect;
class IntSize;
class LocalFrame;
class PopupMenuClient;
class WebExternalPopupMenu;
class WebMouseEvent;
class WebViewImpl;
struct WebPopupMenuInfo;

// The ExternalPopupMenu connects the actual implementation of the popup menu
// to the WebCore popup menu.
class ExternalPopupMenu FINAL : public PopupMenu, public WebExternalPopupMenuClient {
public:
    ExternalPopupMenu(LocalFrame&, PopupMenuClient*, WebViewImpl&);
    virtual ~ExternalPopupMenu();


    // Fills |info| with the popup menu information contained in the
    // PopupMenuClient associated with this ExternalPopupMenu.
    // FIXME: public only for test access. Need to revert once gtest
    // helpers from chromium are available for blink.
    static void getPopupMenuInfo(WebPopupMenuInfo&, PopupMenuClient&);
    static int toPopupMenuItemIndex(int index, PopupMenuClient&);
    static int toExternalPopupMenuItemIndex(int index, PopupMenuClient&);

private:
    // PopupMenu methods:
    virtual void show(const FloatQuad& controlPosition, const IntSize&, int index) OVERRIDE;
    virtual void hide() OVERRIDE;
    virtual void updateFromElement() OVERRIDE;
    virtual void disconnectClient() OVERRIDE;

    // WebExternalPopupClient methods:
    virtual void didChangeSelection(int index) OVERRIDE;
    virtual void didAcceptIndex(int index) OVERRIDE;
    virtual void didAcceptIndices(const WebVector<int>& indices) OVERRIDE;
    virtual void didCancel() OVERRIDE;

    void dispatchEvent(Timer<ExternalPopupMenu>*);

    PopupMenuClient* m_popupMenuClient;
    RefPtr<LocalFrame> m_localFrame;
    WebViewImpl& m_webView;
    OwnPtr<WebMouseEvent> m_syntheticEvent;
    Timer<ExternalPopupMenu> m_dispatchEventTimer;
    // The actual implementor of the show menu.
    WebExternalPopupMenu* m_webExternalPopupMenu;
};

} // namespace blink

#endif // ExternalPopupMenu_h